Reviewer: 1
Comments to the Author
The authors analysed the impact of gastric surgery on survival of patients with gastric cancer in a large retrospective cohort of a nationwide chinese registry (2000 to 2010). The strength of this work is the sample size, however
Major:
1. The groups are not balanced as the surgical group were younger, with a more favourable "n" status, received more often chemotherapy and or chemo-radiotherapy. In addition, unknown status of "M" was very large in groups what might have caused an important selection bias. I would suggest to use a propensity score matching abnalysis to circunvent all these imbalances between groups.
各位前辈，首先我这篇文章用的是SEER数据库是美国的数据，文章中已经详细说明，但审稿人认为是中国数据——a nationwide chinese registry (2000 to 2010)；其次我并没有按照年龄将患者分组，而是单纯按照不同的治疗方式对该疾病的影响进行分类，为什么审稿人会认为年龄上会产生偏倚；我的研究主要探讨的是M1的肿瘤，文章起始已经提到了，审稿人还说缺少M信息会产生选择偏倚。

我觉得审稿人的意见完全和我的文章就不一致啊，现在杂志回复的是拒稿，有没有必要和杂志说明一下？还是直接换个杂志投？ 谢谢各位前辈了！

 返回小木虫查看更多